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Diffstat (limited to 'drivers/mfd/ab5500-core.c')
-rwxr-xr-xdrivers/mfd/ab5500-core.c2677
1 files changed, 2677 insertions, 0 deletions
diff --git a/drivers/mfd/ab5500-core.c b/drivers/mfd/ab5500-core.c
new file mode 100755
index 00000000000..0d39a0caff0
--- /dev/null
+++ b/drivers/mfd/ab5500-core.c
@@ -0,0 +1,2677 @@
+/*
+ * Copyright (C) 2007-2011 ST-Ericsson
+ * License terms: GNU General Public License (GPL) version 2
+ * Low-level core for exclusive access to the AB5500 IC on the I2C bus
+ * and some basic chip-configuration.
+ * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
+ * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
+ * Author: Mattias Wallin <mattias.wallin@stericsson.com>
+ * Author: Rickard Andersson <rickard.andersson@stericsson.com>
+ * Author: Karl Komierowski <karl.komierowski@stericsson.com>
+ * Author: Bibek Basu <bibek.basu@stericsson.com>
+ */
+
+#include <linux/mutex.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/device.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/random.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/uaccess.h>
+#include <linux/mfd/abx500.h>
+#include <linux/mfd/abx500/ab5500.h>
+#include <linux/list.h>
+#include <linux/bitops.h>
+#include <linux/spinlock.h>
+#include <linux/mfd/core.h>
+#include <linux/version.h>
+#include <linux/io.h>
+#include <linux/mfd/dbx500-prcmu.h>
+
+#define AB5500_NAME_STRING "ab5500"
+#define AB5500_ID_FORMAT_STRING "AB5500 %s"
+#define AB5500_NUM_EVENT_V1_REG 23
+#define AB5500_IT_LATCH0_REG 0x40
+#define AB5500_IT_MASK0_REG 0x60
+/* These are the only registers inside AB5500 used in this main file */
+
+/* Read/write operation values. */
+#define AB5500_PERM_RD (0x01)
+#define AB5500_PERM_WR (0x02)
+
+/* Read/write permissions. */
+#define AB5500_PERM_RO (AB5500_PERM_RD)
+#define AB5500_PERM_RW (AB5500_PERM_RD | AB5500_PERM_WR)
+
+#define AB5500_MASK_BASE (0x60)
+#define AB5500_MASK_END (0x79)
+#define AB5500_CHIP_ID (0x20)
+#define AB5500_INTERRUPTS 0x01FFFFFF
+
+/* Turn On Status Event */
+#define RTC_ALARM 0x80
+#define POW_KEY_2_ON 0x20
+#define POW_KEY_1_ON 0x08
+#define POR_ON_VBAT 0x10
+#define VBUS_DET 0x20
+#define VBUS_CH_DROP_R 0x08
+#define USB_CH_DET_DONE 0x02
+
+/* Global Variables */
+u8 turn_on_stat = 0x00;
+
+/**
+ * struct ab5500_bank
+ * @slave_addr: I2C slave_addr found in AB5500 specification
+ * @name: Documentation name of the bank. For reference
+ */
+struct ab5500_bank {
+ u8 slave_addr;
+ const char *name;
+};
+
+static const struct ab5500_bank bankinfo[AB5500_NUM_BANKS] = {
+ [AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP] = {
+ AB5500_ADDR_VIT_IO_I2C_CLK_TST_OTP, "VIT_IO_I2C_CLK_TST_OTP"},
+ [AB5500_BANK_VDDDIG_IO_I2C_CLK_TST] = {
+ AB5500_ADDR_VDDDIG_IO_I2C_CLK_TST, "VDDDIG_IO_I2C_CLK_TST"},
+ [AB5500_BANK_VDENC] = {AB5500_ADDR_VDENC, "VDENC"},
+ [AB5500_BANK_SIM_USBSIM] = {AB5500_ADDR_SIM_USBSIM, "SIM_USBSIM"},
+ [AB5500_BANK_LED] = {AB5500_ADDR_LED, "LED"},
+ [AB5500_BANK_ADC] = {AB5500_ADDR_ADC, "ADC"},
+ [AB5500_BANK_RTC] = {AB5500_ADDR_RTC, "RTC"},
+ [AB5500_BANK_STARTUP] = {AB5500_ADDR_STARTUP, "STARTUP"},
+ [AB5500_BANK_DBI_ECI] = {AB5500_ADDR_DBI_ECI, "DBI-ECI"},
+ [AB5500_BANK_CHG] = {AB5500_ADDR_CHG, "CHG"},
+ [AB5500_BANK_FG_BATTCOM_ACC] = {
+ AB5500_ADDR_FG_BATTCOM_ACC, "FG_BATCOM_ACC"},
+ [AB5500_BANK_USB] = {AB5500_ADDR_USB, "USB"},
+ [AB5500_BANK_IT] = {AB5500_ADDR_IT, "IT"},
+ [AB5500_BANK_VIBRA] = {AB5500_ADDR_VIBRA, "VIBRA"},
+ [AB5500_BANK_AUDIO_HEADSETUSB] = {
+ AB5500_ADDR_AUDIO_HEADSETUSB, "AUDIO_HEADSETUSB"},
+};
+
+#define AB5500_IRQ(bank, bit) ((bank) * 8 + (bit))
+
+/* I appologize for the resource names beeing a mix of upper case
+ * and lower case but I want them to be exact as the documentation */
+static struct mfd_cell ab5500_devs[AB5500_NUM_DEVICES] = {
+ [AB5500_DEVID_LEDS] = {
+ .name = "ab5500-leds",
+ },
+ [AB5500_DEVID_POWER] = {
+ .name = "ab5500-power",
+ },
+ [AB5500_DEVID_REGULATORS] = {
+ .name = "ab5500-regulator",
+ },
+ [AB5500_DEVID_SIM] = {
+ .name = "ab5500-sim",
+ .num_resources = 1,
+ .resources = (struct resource[]) {
+ {
+ .name = "SIMOFF",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(2, 0), /*rising*/
+ .end = AB5500_IRQ(2, 1), /*falling*/
+ },
+ },
+ },
+ [AB5500_DEVID_RTC] = {
+ .name = "ab5500-rtc",
+ .num_resources = 1,
+ .resources = (struct resource[]) {
+ {
+ .name = "RTC_Alarm",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(1, 7),
+ .end = AB5500_IRQ(1, 7),
+ }
+ },
+ },
+ [AB5500_DEVID_CHARGER] = {
+ .name = "ab5500-charger",
+ .num_resources = 29,
+ .resources = (struct resource[]) {
+ {
+ .name = "VBAT_INSERT",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(2, 4),
+ .end = AB5500_IRQ(2, 4),
+ },
+ {
+ .name = "TEMP_ASIC_ALARM",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(2, 2),
+ .end = AB5500_IRQ(2, 2),
+ },
+ {
+ .name = "BATT_REMOVAL",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(7, 6),
+ .end = AB5500_IRQ(7, 6),
+ },
+ {
+ .name = "BATT_ATTACH",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(7, 5),
+ .end = AB5500_IRQ(7, 5),
+ },
+ {
+ .name = "CGSTATE_10_PCVBUS_CHG",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(8, 7),
+ .end = AB5500_IRQ(8, 7),
+ },
+ {
+ .name = "VBUS_FALLING",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(8, 6),
+ .end = AB5500_IRQ(8, 6),
+ },
+ {
+ .name = "VBUS_RISING",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(8, 5),
+ .end = AB5500_IRQ(8, 5),
+ },
+ {
+ .name = "UART_RDY_TX",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(8, 2),
+ .end = AB5500_IRQ(8, 2),
+ },
+ {
+ .name = "UART_RDY_RX",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(8, 1),
+ .end = AB5500_IRQ(8, 1),
+ },
+ {
+ .name = "UART_OVERRUN",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(8, 0),
+ .end = AB5500_IRQ(8, 0),
+ },
+ {
+ .name = "VBUS_IMEAS_MAX_CHANGE_RISING",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(9, 7),
+ .end = AB5500_IRQ(9, 7),
+ },
+ {
+ .name = "USB_SUSPEND",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(9, 3),
+ .end = AB5500_IRQ(9, 3),
+ },
+ {
+ .name = "USB_CHAR_DET_DONE",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(9, 1),
+ .end = AB5500_IRQ(9, 1),
+ },
+ {
+ .name = "VBUS_IMEAS_MAX_CHANGE_FALLING",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(10, 0),
+ .end = AB5500_IRQ(10, 0),
+ },
+ {
+ .name = "OVV",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(14, 5),
+ .end = AB5500_IRQ(14, 5),
+ },
+ {
+ .name = "USB_CH_TH_PROTECTION",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(15, 4),
+ .end = AB5500_IRQ(15, 4),
+ },
+ {
+ .name = "USB_CH_NOT_OK",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(15, 3),
+ .end = AB5500_IRQ(15, 3),
+ },
+ {
+ .name = "CHAR_TEMP_WINDOW_OK_RISING",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(17, 7),
+ .end = AB5500_IRQ(17, 7),
+ },
+ {
+ .name = "CHARGING_STOPPED_BY_TEMP",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(18, 6),
+ .end = AB5500_IRQ(18, 6),
+ },
+ {
+ .name = "VBUS_DROP_FALLING",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(18, 4),
+ .end = AB5500_IRQ(18, 4),
+ },
+ {
+ .name = "VBUS_DROP_RISING",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(18, 3),
+ .end = AB5500_IRQ(18, 3),
+ },
+ {
+ .name = "CHAR_TEMP_WINDOW_OK_FALLING",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(18, 0),
+ .end = AB5500_IRQ(18, 0),
+ },
+ {
+ .name = "CHG_STATE_13_COMP_VBUS",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(21, 3),
+ .end = AB5500_IRQ(21, 3),
+ },
+ {
+ .name = "CHG_STATE_12_COMP_VBUS",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(21, 2),
+ .end = AB5500_IRQ(21, 2),
+ },
+ {
+ .name = "CHG_STATE_11_SAFE_MODE_VBUS",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(21, 1),
+ .end = AB5500_IRQ(21, 1),
+ },
+ {
+ .name = "USB_LINK_UPDATE",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(22, 1),
+ .end = AB5500_IRQ(22, 1),
+ },
+ {
+ .name = "CHG_SW_TIMER_OUT",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(23, 7),
+ .end = AB5500_IRQ(23, 7),
+ },
+ {
+ .name = "CHG_HW_TIMER_OUT",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(23, 6),
+ .end = AB5500_IRQ(23, 6),
+ },
+ },
+ },
+ [AB5500_DEVID_CHARGALG] = {
+ .name = "abx500-chargalg",
+ },
+ [AB5500_DEVID_BTEMP] = {
+ .name = "ab5500-btemp",
+ .num_resources = 2,
+ .resources = (struct resource[]) {
+ {
+ .name = "BATT_ATTACH",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(7, 5),
+ .end = AB5500_IRQ(7, 5),
+ },
+ {
+ .name = "BATT_REMOVAL",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(7, 6),
+ .end = AB5500_IRQ(7, 6),
+ },
+ },
+ },
+ [AB5500_DEVID_ADC] = {
+ .name = "ab5500-adc",
+ .num_resources = 10,
+ .resources = (struct resource[]) {
+ {
+ .name = "TRIGGER-0",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(0, 0),
+ .end = AB5500_IRQ(0, 0),
+ },
+ {
+ .name = "TRIGGER-1",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(0, 1),
+ .end = AB5500_IRQ(0, 1),
+ },
+ {
+ .name = "TRIGGER-2",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(0, 2),
+ .end = AB5500_IRQ(0, 2),
+ },
+ {
+ .name = "TRIGGER-3",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(0, 3),
+ .end = AB5500_IRQ(0, 3),
+ },
+ {
+ .name = "TRIGGER-4",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(0, 4),
+ .end = AB5500_IRQ(0, 4),
+ },
+ {
+ .name = "TRIGGER-5",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(0, 5),
+ .end = AB5500_IRQ(0, 5),
+ },
+ {
+ .name = "TRIGGER-6",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(0, 6),
+ .end = AB5500_IRQ(0, 6),
+ },
+ {
+ .name = "TRIGGER-7",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(0, 7),
+ .end = AB5500_IRQ(0, 7),
+ },
+ {
+ .name = "TRIGGER-VBAT",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(1, 0),
+ .end = AB5500_IRQ(1, 0),
+ },
+ {
+ .name = "TRIGGER-VBAT-TXON",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(1, 1),
+ .end = AB5500_IRQ(1, 1),
+ },
+ },
+ },
+ [AB5500_DEVID_FG] = {
+ .name = "ab5500-fg",
+ .num_resources = 6,
+ .resources = (struct resource[]) {
+ {
+ .name = "Batt_attach",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(7, 5),
+ .end = AB5500_IRQ(7, 5),
+ },
+ {
+ .name = "Batt_removal",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(7, 6),
+ .end = AB5500_IRQ(7, 6),
+ },
+ {
+ .name = "UART_framing",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(7, 7),
+ .end = AB5500_IRQ(7, 7),
+ },
+ {
+ .name = "UART_overrun",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(8, 0),
+ .end = AB5500_IRQ(8, 0),
+ },
+ {
+ .name = "UART_Rdy_RX",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(8, 1),
+ .end = AB5500_IRQ(8, 1),
+ },
+ {
+ .name = "UART_Rdy_TX",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(8, 2),
+ .end = AB5500_IRQ(8, 2),
+ },
+ },
+ },
+ [AB5500_DEVID_VIBRATOR] = {
+ .name = "ab5500-vibrator",
+ },
+ [AB5500_DEVID_CODEC] = {
+ .name = "ab5500-codec",
+ .num_resources = 3,
+ .resources = (struct resource[]) {
+ {
+ .name = "audio_spkr1_ovc",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(9, 5),
+ .end = AB5500_IRQ(9, 5),
+ },
+ {
+ .name = "audio_plllocked",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(9, 6),
+ .end = AB5500_IRQ(9, 6),
+ },
+ {
+ .name = "audio_spkr2_ovc",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(17, 4),
+ .end = AB5500_IRQ(17, 4),
+ },
+ },
+ },
+ [AB5500_DEVID_USB] = {
+ .name = "ab5500-usb",
+ .num_resources = 36,
+ .resources = (struct resource[]) {
+ {
+ .name = "Link_Update",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(22, 1),
+ .end = AB5500_IRQ(22, 1),
+ },
+ {
+ .name = "DCIO",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(8, 3),
+ .end = AB5500_IRQ(8, 4),
+ },
+ {
+ .name = "VBUS_R",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(8, 5),
+ .end = AB5500_IRQ(8, 5),
+ },
+ {
+ .name = "VBUS_F",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(8, 6),
+ .end = AB5500_IRQ(8, 6),
+ },
+ {
+ .name = "CHGstate_10_PCVBUSchg",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(8, 7),
+ .end = AB5500_IRQ(8, 7),
+ },
+ {
+ .name = "DCIOreverse_ovc",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(9, 0),
+ .end = AB5500_IRQ(9, 0),
+ },
+ {
+ .name = "USBCharDetDone",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(9, 1),
+ .end = AB5500_IRQ(9, 1),
+ },
+ {
+ .name = "DCIO_no_limit",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(9, 2),
+ .end = AB5500_IRQ(9, 2),
+ },
+ {
+ .name = "USB_suspend",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(9, 3),
+ .end = AB5500_IRQ(9, 3),
+ },
+ {
+ .name = "DCIOreverse_fwdcurrent",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(9, 4),
+ .end = AB5500_IRQ(9, 4),
+ },
+ {
+ .name = "Vbus_Imeasmax_change",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(9, 7),
+ .end = AB5500_IRQ(9, 7),
+ },
+ {
+ .name = "OVV",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(14, 5),
+ .end = AB5500_IRQ(14, 5),
+ },
+ {
+ .name = "USBcharging_NOTok",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(15, 3),
+ .end = AB5500_IRQ(15, 3),
+ },
+ {
+ .name = "usb_adp_sensoroff",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(15, 6),
+ .end = AB5500_IRQ(15, 6),
+ },
+ {
+ .name = "usb_adp_probeplug",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(15, 7),
+ .end = AB5500_IRQ(15, 7),
+ },
+ {
+ .name = "usb_adp_sinkerror",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(16, 0),
+ .end = AB5500_IRQ(16, 6),
+ },
+ {
+ .name = "usb_adp_sourceerror",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(16, 1),
+ .end = AB5500_IRQ(16, 1),
+ },
+ {
+ .name = "usb_idgnd_r",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(16, 2),
+ .end = AB5500_IRQ(16, 2),
+ },
+ {
+ .name = "usb_idgnd_f",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(16, 3),
+ .end = AB5500_IRQ(16, 3),
+ },
+ {
+ .name = "usb_iddetR1",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(16, 4),
+ .end = AB5500_IRQ(16, 5),
+ },
+ {
+ .name = "usb_iddetR2",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(16, 6),
+ .end = AB5500_IRQ(16, 7),
+ },
+ {
+ .name = "usb_iddetR3",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(17, 0),
+ .end = AB5500_IRQ(17, 1),
+ },
+ {
+ .name = "usb_iddetR4",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(17, 2),
+ .end = AB5500_IRQ(17, 3),
+ },
+ {
+ .name = "CharTempWindowOk",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(17, 7),
+ .end = AB5500_IRQ(18, 0),
+ },
+ {
+ .name = "USB_SprDetect",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(18, 1),
+ .end = AB5500_IRQ(18, 1),
+ },
+ {
+ .name = "usb_adp_probe_unplug",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(18, 2),
+ .end = AB5500_IRQ(18, 2),
+ },
+ {
+ .name = "VBUSChDrop",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(18, 3),
+ .end = AB5500_IRQ(18, 4),
+ },
+ {
+ .name = "dcio_char_rec_done",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(18, 5),
+ .end = AB5500_IRQ(18, 5),
+ },
+ {
+ .name = "Charging_stopped_by_temp",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(18, 6),
+ .end = AB5500_IRQ(18, 6),
+ },
+ {
+ .name = "CHGstate_11_SafeModeVBUS",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(21, 1),
+ .end = AB5500_IRQ(21, 1),
+ },
+ {
+ .name = "CHGstate_12_comletedVBUS",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(21, 2),
+ .end = AB5500_IRQ(21, 2),
+ },
+ {
+ .name = "CHGstate_13_completedVBUS",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(21, 3),
+ .end = AB5500_IRQ(21, 3),
+ },
+ {
+ .name = "CHGstate_14_FullChgDCIO",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(21, 4),
+ .end = AB5500_IRQ(21, 4),
+ },
+ {
+ .name = "CHGstate_15_SafeModeDCIO",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(21, 5),
+ .end = AB5500_IRQ(21, 5),
+ },
+ {
+ .name = "CHGstate_16_OFFsuspendDCIO",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(21, 6),
+ .end = AB5500_IRQ(21, 6),
+ },
+ {
+ .name = "CHGstate_17_completedDCIO",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(21, 7),
+ .end = AB5500_IRQ(21, 7),
+ },
+ },
+ },
+ [AB5500_DEVID_OTP] = {
+ .name = "ab5500-otp",
+ },
+ [AB5500_DEVID_VIDEO] = {
+ .name = "ab5500-video",
+ .num_resources = 2,
+ .resources = (struct resource[]) {
+ {
+ .name = "plugTVdet",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(13, 7),
+ .end = AB5500_IRQ(13, 7),
+ },
+ {
+ .name = "plugTVdet_removal",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(23, 2),
+ .end = AB5500_IRQ(23, 2),
+ },
+
+ },
+ },
+ [AB5500_DEVID_DBIECI] = {
+ .name = "ab5500-dbieci",
+ .num_resources = 10,
+ .resources = (struct resource[]) {
+ {
+ .name = "COLL",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(14, 0),
+ .end = AB5500_IRQ(14, 0),
+ },
+ {
+ .name = "RESERR",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(14, 1),
+ .end = AB5500_IRQ(14, 1),
+ },
+ {
+ .name = "FRAERR",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(14, 2),
+ .end = AB5500_IRQ(14, 2),
+ },
+ {
+ .name = "COMERR",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(14, 3),
+ .end = AB5500_IRQ(14, 3),
+ },
+ {
+ .name = "BSI_indicator",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(14, 4),
+ .end = AB5500_IRQ(14, 4),
+ },
+ {
+ .name = "SPDSET",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(14, 6),
+ .end = AB5500_IRQ(14, 6),
+ },
+ {
+ .name = "DSENT",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(14, 7),
+ .end = AB5500_IRQ(14, 7),
+ },
+ {
+ .name = "DREC",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(15, 0),
+ .end = AB5500_IRQ(15, 0),
+ },
+ {
+ .name = "ACCINT",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(15, 1),
+ .end = AB5500_IRQ(15, 1),
+ },
+ {
+ .name = "NOPINT",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(15, 2),
+ .end = AB5500_IRQ(15, 2),
+ },
+ },
+ },
+ [AB5500_DEVID_ONSWA] = {
+ .name = "ab5500-onswa",
+ .num_resources = 2,
+ .resources = (struct resource[]) {
+ {
+ .name = "ONSWAn_rising",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(1, 3),
+ .end = AB5500_IRQ(1, 3),
+ },
+ {
+ .name = "ONSWAn_falling",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(1, 4),
+ .end = AB5500_IRQ(1, 4),
+ },
+ },
+ },
+ [AB5500_DEVID_TEMPMON] = {
+ .name = "abx500-temp",
+ .id = AB5500_DEVID_TEMPMON,
+ .num_resources = 1,
+ .resources = (struct resource[]) {
+ {
+ .name = "ABX500_TEMP_WARM",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(2, 2),
+ .end = AB5500_IRQ(2, 2),
+ },
+ },
+ },
+ [AB5500_DEVID_ACCDET] = {
+ .name = "ab5500-acc-det",
+ .id = AB5500_DEVID_ACCDET,
+ .num_resources = 8,
+ .resources = (struct resource[]) {
+ {
+ .name = "acc_detedt22db_rising",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(2, 7),
+ .end = AB5500_IRQ(2, 7),
+ },
+ {
+ .name = "acc_detedt21db_falling",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(2, 6),
+ .end = AB5500_IRQ(2, 6),
+ },
+ {
+ .name = "acc_detedt21db_rising",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(2, 5),
+ .end = AB5500_IRQ(2, 5),
+ },
+ {
+ .name = "acc_detedt3db_falling",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(3, 4),
+ .end = AB5500_IRQ(3, 4),
+ },
+ {
+ .name = "acc_detedt3db_rising",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(3, 3),
+ .end = AB5500_IRQ(3, 3),
+ },
+ {
+ .name = "acc_detedt1db_falling",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(3, 2),
+ .end = AB5500_IRQ(3, 2),
+ },
+ {
+ .name = "acc_detedt1db_rising",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(3, 1),
+ .end = AB5500_IRQ(3, 1),
+ },
+ {
+ .name = "acc_detedt22db_falling",
+ .flags = IORESOURCE_IRQ,
+ .start = AB5500_IRQ(3, 0),
+ .end = AB5500_IRQ(3, 0),
+ },
+ },
+ },
+};
+
+static ssize_t show_chip_id(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ab5500 *ab5500;
+
+ ab5500 = dev_get_drvdata(dev);
+ return sprintf(buf, "%#x\n", ab5500 ? ab5500->chip_id : -EINVAL);
+}
+
+static ssize_t show_turn_on_status(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "%#x\n", turn_on_stat);
+}
+
+static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL);
+static DEVICE_ATTR(turn_on_status, S_IRUGO, show_turn_on_status, NULL);
+
+static struct attribute *ab5500_sysfs_entries[] = {
+ &dev_attr_chip_id.attr,
+ &dev_attr_turn_on_status.attr,
+ NULL,
+};
+
+static struct attribute_group ab5500_attr_group = {
+ .attrs = ab5500_sysfs_entries,
+};
+
+/*
+ * Functionality for getting/setting register values.
+ */
+static int get_register_interruptible(struct ab5500 *ab, u8 bank, u8 reg,
+ u8 *value)
+{
+ int err;
+
+ if (bank >= AB5500_NUM_BANKS)
+ return -EINVAL;
+
+ err = mutex_lock_interruptible(&ab->access_mutex);
+ if (err)
+ return err;
+ err = db5500_prcmu_abb_read(bankinfo[bank].slave_addr, reg, value, 1);
+
+ mutex_unlock(&ab->access_mutex);
+ return err;
+}
+
+static int get_register_page_interruptible(struct ab5500 *ab, u8 bank,
+ u8 first_reg, u8 *regvals, u8 numregs)
+{
+ int err;
+
+ if (bank >= AB5500_NUM_BANKS)
+ return -EINVAL;
+
+ err = mutex_lock_interruptible(&ab->access_mutex);
+ if (err)
+ return err;
+
+ while (numregs) {
+ /* The hardware limit for get page is 4 */
+ u8 curnum = min_t(u8, numregs, 4u);
+
+ err = db5500_prcmu_abb_read(bankinfo[bank].slave_addr,
+ first_reg, regvals, curnum);
+ if (err)
+ goto out;
+
+ numregs -= curnum;
+ first_reg += curnum;
+ regvals += curnum;
+ }
+
+out:
+ mutex_unlock(&ab->access_mutex);
+ return err;
+}
+
+static int mask_and_set_register_interruptible(struct ab5500 *ab, u8 bank,
+ u8 reg, u8 bitmask, u8 bitvalues)
+{
+ int err = 0;
+
+ if (bank >= AB5500_NUM_BANKS)
+ return -EINVAL;
+
+ if (bitmask) {
+ u8 buf;
+
+ err = mutex_lock_interruptible(&ab->access_mutex);
+ if (err)
+ return err;
+
+ if (bitmask == 0xFF) /* No need to read in this case. */
+ buf = bitvalues;
+ else { /* Read and modify the register value. */
+ err = db5500_prcmu_abb_read(bankinfo[bank].slave_addr,
+ reg, &buf, 1);
+ if (err)
+ return err;
+
+ buf = ((~bitmask & buf) | (bitmask & bitvalues));
+ }
+ /* Write the new value. */
+ err = db5500_prcmu_abb_write(bankinfo[bank].slave_addr, reg,
+ &buf, 1);
+
+ mutex_unlock(&ab->access_mutex);
+ }
+ return err;
+}
+
+static int
+set_register_interruptible(struct ab5500 *ab, u8 bank, u8 reg, u8 value)
+{
+ return mask_and_set_register_interruptible(ab, bank, reg, 0xff, value);
+}
+
+/*
+ * The exported register access functionality.
+ */
+static int ab5500_get_chip_id(struct device *dev)
+{
+ struct ab5500 *ab = dev_get_drvdata(dev->parent);
+
+ return (int)ab->chip_id;
+}
+
+static int ab5500_mask_and_set_register_interruptible(struct device *dev,
+ u8 bank, u8 reg, u8 bitmask, u8 bitvalues)
+{
+ struct ab5500 *ab;
+
+ ab = dev_get_drvdata(dev->parent);
+ return mask_and_set_register_interruptible(ab, bank, reg,
+ bitmask, bitvalues);
+}
+
+static int ab5500_set_register_interruptible(struct device *dev, u8 bank,
+ u8 reg, u8 value)
+{
+ return ab5500_mask_and_set_register_interruptible(dev, bank, reg, 0xFF,
+ value);
+}
+
+static int ab5500_get_register_interruptible(struct device *dev, u8 bank,
+ u8 reg, u8 *value)
+{
+ struct ab5500 *ab;
+
+ ab = dev_get_drvdata(dev->parent);
+ return get_register_interruptible(ab, bank, reg, value);
+}
+
+static int ab5500_get_register_page_interruptible(struct device *dev, u8 bank,
+ u8 first_reg, u8 *regvals, u8 numregs)
+{
+ struct ab5500 *ab;
+
+ ab = dev_get_drvdata(dev->parent);
+ return get_register_page_interruptible(ab, bank, first_reg, regvals,
+ numregs);
+}
+
+static int
+ab5500_event_registers_startup_state_get(struct device *dev, u8 *event)
+{
+ struct ab5500 *ab;
+
+ ab = dev_get_drvdata(dev->parent);
+ if (!ab->startup_events_read)
+ return -EAGAIN; /* Try again later */
+
+ memcpy(event, ab->startup_events, ab->num_event_reg);
+ return 0;
+}
+
+static int ab5500_startup_irq_enabled(struct device *dev, unsigned int irq)
+{
+ struct ab5500 *ab;
+ bool val;
+
+ ab = irq_get_chip_data(irq);
+ irq -= ab->irq_base;
+ val = ((ab->startup_events[irq / 8] & BIT(irq % 8)) != 0);
+
+ return val;
+}
+
+static struct abx500_ops ab5500_ops = {
+ .get_chip_id = ab5500_get_chip_id,
+ .get_register = ab5500_get_register_interruptible,
+ .set_register = ab5500_set_register_interruptible,
+ .get_register_page = ab5500_get_register_page_interruptible,
+ .set_register_page = NULL,
+ .mask_and_set_register = ab5500_mask_and_set_register_interruptible,
+ .event_registers_startup_state_get =
+ ab5500_event_registers_startup_state_get,
+ .startup_irq_enabled = ab5500_startup_irq_enabled,
+};
+
+static irqreturn_t ab5500_irq(int irq, void *data)
+{
+ struct ab5500 *ab = data;
+ u8 i;
+ u8 *pvalue;
+ u8 value;
+
+ prcmu_get_abb_event_buffer((void **)&pvalue);
+ if (unlikely(pvalue == NULL)) {
+ dev_err(ab->dev, "PRCMU not enabled!!!\n");
+ goto error_irq;
+ }
+ for (i = 0; i < ab->num_event_reg; i++) {
+ value = readb(pvalue);
+ if (value == 0) {
+ pvalue++;
+ continue;
+ }
+
+ do {
+ int bit = __ffs(value);
+ int line = i * 8 + bit;
+
+ handle_nested_irq(ab->irq_base + line);
+ value &= ~(1 << bit);
+ } while (value);
+ pvalue++;
+ }
+
+ return IRQ_HANDLED;
+error_irq:
+ return IRQ_NONE;
+}
+
+#ifdef CONFIG_DEBUG_FS
+/**
+ * struct ab5500_reg_range
+ * @first: the first address of the range
+ * @last: the last address of the range
+ */
+struct ab5500_reg_range {
+ u8 first;
+ u8 last;
+};
+
+/**
+ * struct ab5500_i2c_ranges
+ * @count: the number of ranges in the list
+ * @range: the list of register ranges
+ */
+struct ab5500_i2c_ranges {
+ u8 nranges;
+ u8 bankid;
+ const struct ab5500_reg_range *range;
+};
+
+static struct ab5500_i2c_ranges ab5500v1_reg_ranges[AB5500_NUM_BANKS] = {
+ [AB5500_BANK_LED] = {
+ .bankid = AB5500_BANK_LED,
+ .nranges = 1,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x0C,
+ },
+ },
+ },
+ [AB5500_BANK_ADC] = {
+ .bankid = AB5500_BANK_ADC,
+ .nranges = 6,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x1F,
+ .last = 0x21,
+ },
+ {
+ .first = 0x22,
+ .last = 0x24,
+ },
+ {
+ .first = 0x26,
+ .last = 0x2D,
+ },
+ {
+ .first = 0x2F,
+ .last = 0x34,
+ },
+ {
+ .first = 0x37,
+ .last = 0x57,
+ },
+ {
+ .first = 0x58,
+ .last = 0x58,
+ },
+ },
+ },
+ [AB5500_BANK_RTC] = {
+ .bankid = AB5500_BANK_RTC,
+ .nranges = 2,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x04,
+ },
+ {
+ .first = 0x06,
+ .last = 0x0C,
+ },
+ },
+ },
+ [AB5500_BANK_STARTUP] = {
+ .bankid = AB5500_BANK_STARTUP,
+ .nranges = 12,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x01,
+ },
+ {
+ .first = 0x1F,
+ .last = 0x1F,
+ },
+ {
+ .first = 0x2E,
+ .last = 0x2E,
+ },
+ {
+ .first = 0x2F,
+ .last = 0x30,
+ },
+ {
+ .first = 0x50,
+ .last = 0x51,
+ },
+ {
+ .first = 0x60,
+ .last = 0x61,
+ },
+ {
+ .first = 0x66,
+ .last = 0x8A,
+ },
+ {
+ .first = 0x8C,
+ .last = 0x96,
+ },
+ {
+ .first = 0xAA,
+ .last = 0xB4,
+ },
+ {
+ .first = 0xB7,
+ .last = 0xBF,
+ },
+ {
+ .first = 0xC1,
+ .last = 0xCA,
+ },
+ {
+ .first = 0xD3,
+ .last = 0xE0,
+ },
+ },
+ },
+ [AB5500_BANK_DBI_ECI] = {
+ .bankid = AB5500_BANK_DBI_ECI,
+ .nranges = 3,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x07,
+ },
+ {
+ .first = 0x10,
+ .last = 0x10,
+ },
+ {
+ .first = 0x13,
+ .last = 0x13,
+ },
+ },
+ },
+ [AB5500_BANK_CHG] = {
+ .bankid = AB5500_BANK_CHG,
+ .nranges = 2,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x11,
+ .last = 0x11,
+ },
+ {
+ .first = 0x12,
+ .last = 0x1B,
+ },
+ },
+ },
+ [AB5500_BANK_FG_BATTCOM_ACC] = {
+ .bankid = AB5500_BANK_FG_BATTCOM_ACC,
+ .nranges = 5,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x0B,
+ },
+ {
+ .first = 0x0C,
+ .last = 0x10,
+ },
+ {
+ .first = 0x1A,
+ .last = 0x1D,
+ },
+ {
+ .first = 0x20,
+ .last = 0x21,
+ },
+ {
+ .first = 0x23,
+ .last = 0x24,
+ },
+
+ },
+ },
+ [AB5500_BANK_USB] = {
+ .bankid = AB5500_BANK_USB,
+ .nranges = 13,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x01,
+ .last = 0x01,
+ },
+ {
+ .first = 0x80,
+ .last = 0x80,
+ },
+ {
+ .first = 0x81,
+ .last = 0x83,
+ },
+ {
+ .first = 0x87,
+ .last = 0x8A,
+ },
+ {
+ .first = 0x8B,
+ .last = 0x8B,
+ },
+ {
+ .first = 0x91,
+ .last = 0x92,
+ },
+ {
+ .first = 0x93,
+ .last = 0x93,
+ },
+ {
+ .first = 0x94,
+ .last = 0x94,
+ },
+ {
+ .first = 0xA8,
+ .last = 0xB0,
+ },
+ {
+ .first = 0xB2,
+ .last = 0xB2,
+ },
+ {
+ .first = 0xB4,
+ .last = 0xBC,
+ },
+ {
+ .first = 0xBF,
+ .last = 0xBF,
+ },
+ {
+ .first = 0xC1,
+ .last = 0xC5,
+ },
+ },
+ },
+ [AB5500_BANK_IT] = {
+ .bankid = AB5500_BANK_IT,
+ .nranges = 4,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x02,
+ },
+ {
+ .first = 0x20,
+ .last = 0x36,
+ },
+ {
+ .first = 0x40,
+ .last = 0x56,
+ },
+ {
+ .first = 0x60,
+ .last = 0x76,
+ },
+ },
+ },
+ [AB5500_BANK_VDDDIG_IO_I2C_CLK_TST] = {
+ .bankid = AB5500_BANK_VDDDIG_IO_I2C_CLK_TST,
+ .nranges = 7,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x02,
+ .last = 0x02,
+ },
+ {
+ .first = 0x12,
+ .last = 0x12,
+ },
+ {
+ .first = 0x30,
+ .last = 0x34,
+ },
+ {
+ .first = 0x40,
+ .last = 0x44,
+ },
+ {
+ .first = 0x50,
+ .last = 0x54,
+ },
+ {
+ .first = 0x60,
+ .last = 0x64,
+ },
+ {
+ .first = 0x70,
+ .last = 0x74,
+ },
+ },
+ },
+ [AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP] = {
+ .bankid = AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP,
+ .nranges = 14,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x01,
+ .last = 0x01,
+ },
+ {
+ .first = 0x02,
+ .last = 0x02,
+ },
+ {
+ .first = 0x0D,
+ .last = 0x0D,
+ },
+ {
+ .first = 0x0E,
+ .last = 0x0E,
+ },
+ {
+ .first = 0x1C,
+ .last = 0x1C,
+ },
+ {
+ .first = 0x1E,
+ .last = 0x1E,
+ },
+ {
+ .first = 0x20,
+ .last = 0x21,
+ },
+ {
+ .first = 0x28,
+ .last = 0x28,
+ },
+ {
+ .first = 0x30,
+ .last = 0x33,
+ },
+ {
+ .first = 0x40,
+ .last = 0x43,
+ },
+ {
+ .first = 0x50,
+ .last = 0x53,
+ },
+ {
+ .first = 0x60,
+ .last = 0x63,
+ },
+ {
+ .first = 0x70,
+ .last = 0x73,
+ },
+ {
+ .first = 0xB1,
+ .last = 0xB1,
+ },
+ },
+ },
+ [AB5500_BANK_VIBRA] = {
+ .bankid = AB5500_BANK_VIBRA,
+ .nranges = 1,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x10,
+ .last = 0x13,
+ },
+ },
+ },
+ [AB5500_BANK_AUDIO_HEADSETUSB] = {
+ .bankid = AB5500_BANK_AUDIO_HEADSETUSB,
+ .nranges = 1,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x47,
+ },
+ },
+ },
+ [AB5500_BANK_SIM_USBSIM] = {
+ .bankid = AB5500_BANK_SIM_USBSIM,
+ .nranges = 2,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x13,
+ .last = 0x19,
+ },
+ {
+ .first = 0x20,
+ .last = 0x20,
+ },
+ },
+ },
+ [AB5500_BANK_VDENC] = {
+ .bankid = AB5500_BANK_VDENC,
+ .nranges = 12,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x08,
+ },
+ {
+ .first = 0x09,
+ .last = 0x09,
+ },
+ {
+ .first = 0x0A,
+ .last = 0x12,
+ },
+ {
+ .first = 0x15,
+ .last = 0x19,
+ },
+ {
+ .first = 0x1B,
+ .last = 0x21,
+ },
+ {
+ .first = 0x27,
+ .last = 0x2C,
+ },
+ {
+ .first = 0x41,
+ .last = 0x41,
+ },
+ {
+ .first = 0x45,
+ .last = 0x5B,
+ },
+ {
+ .first = 0x5D,
+ .last = 0x5D,
+ },
+ {
+ .first = 0x69,
+ .last = 0x69,
+ },
+ {
+ .first = 0x6C,
+ .last = 0x6D,
+ },
+ {
+ .first = 0x80,
+ .last = 0x81,
+ },
+ },
+ },
+};
+
+static struct ab5500_i2c_ranges ab5500v2_reg_ranges[AB5500_NUM_BANKS] = {
+ [AB5500_BANK_LED] = {
+ .bankid = AB5500_BANK_LED,
+ .nranges = 3,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x02,
+ },
+ {
+ .first = 0x04,
+ .last = 0x0D,
+ },
+ {
+ .first = 0x10,
+ .last = 0x1B,
+ },
+ },
+ },
+ [AB5500_BANK_ADC] = {
+ .bankid = AB5500_BANK_ADC,
+ .nranges = 4,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x1F,
+ .last = 0x24,
+ },
+ {
+ .first = 0x26,
+ .last = 0x35,
+ },
+ {
+ .first = 0x37,
+ .last = 0x57,
+ },
+ {
+ .first = 0xA0,
+ .last = 0xA5,
+ },
+ },
+ },
+ [AB5500_BANK_RTC] = {
+ .bankid = AB5500_BANK_RTC,
+ .nranges = 3,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x04,
+ },
+ {
+ .first = 0x06,
+ .last = 0x0B,
+ },
+ {
+ .first = 0x20,
+ .last = 0x21,
+ },
+ },
+ },
+ [AB5500_BANK_STARTUP] = {
+ .bankid = AB5500_BANK_STARTUP,
+ .nranges = 14,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x01,
+ },
+ {
+ .first = 0x1F,
+ .last = 0x1F,
+ },
+ {
+ .first = 0x2E,
+ .last = 0x31,
+ },
+ {
+ .first = 0x50,
+ .last = 0x51,
+ },
+ {
+ .first = 0x60,
+ .last = 0x61,
+ },
+ {
+ .first = 0x66,
+ .last = 0x8A,
+ },
+ {
+ .first = 0x8C,
+ .last = 0x96,
+ },
+ {
+ .first = 0xAA,
+ .last = 0xB5,
+ },
+ {
+ .first = 0xB7,
+ .last = 0xBF,
+ },
+ {
+ .first = 0xC1,
+ .last = 0xCA,
+ },
+ {
+ .first = 0xD3,
+ .last = 0xE0,
+ },
+ {
+ .first = 0xEA,
+ .last = 0xEA,
+ },
+ {
+ .first = 0xF0,
+ .last = 0xF0,
+ },
+ {
+ .first = 0xF6,
+ .last = 0xF6,
+ },
+ },
+ },
+ [AB5500_BANK_DBI_ECI] = {
+ .bankid = AB5500_BANK_DBI_ECI,
+ .nranges = 3,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x07,
+ },
+ {
+ .first = 0x10,
+ .last = 0x10,
+ },
+ {
+ .first = 0x13,
+ .last = 0x13,
+ },
+ },
+ },
+ [AB5500_BANK_CHG] = {
+ .bankid = AB5500_BANK_CHG,
+ .nranges = 1,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x11,
+ .last = 0x1D,
+ },
+ },
+ },
+ [AB5500_BANK_FG_BATTCOM_ACC] = {
+ .bankid = AB5500_BANK_FG_BATTCOM_ACC,
+ .nranges = 5,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x10,
+ },
+ {
+ .first = 0x1A,
+ .last = 0x1D,
+ },
+ {
+ .first = 0x20,
+ .last = 0x20,
+ },
+ {
+ .first = 0x24,
+ .last = 0x24,
+ },
+ {
+ .first = 0x30,
+ .last = 0x37,
+ },
+
+ },
+ },
+ [AB5500_BANK_USB] = {
+ .bankid = AB5500_BANK_USB,
+ .nranges = 5,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x01,
+ .last = 0x01,
+ },
+ {
+ .first = 0x80,
+ .last = 0x83,
+ },
+ {
+ .first = 0x87,
+ .last = 0x8B,
+ },
+ {
+ .first = 0x91,
+ .last = 0x94,
+ },
+ {
+ .first = 0x98,
+ .last = 0x9A,
+ },
+ },
+ },
+ [AB5500_BANK_IT] = {
+ .bankid = AB5500_BANK_IT,
+ .nranges = 4,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x03,
+ },
+ {
+ .first = 0x20,
+ .last = 0x38,
+ },
+ {
+ .first = 0x40,
+ .last = 0x58,
+ },
+ {
+ .first = 0x60,
+ .last = 0x78,
+ },
+ },
+ },
+ [AB5500_BANK_VDDDIG_IO_I2C_CLK_TST] = {
+ .bankid = AB5500_BANK_VDDDIG_IO_I2C_CLK_TST,
+ .nranges = 7,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x02,
+ .last = 0x02,
+ },
+ {
+ .first = 0x12,
+ .last = 0x12,
+ },
+ {
+ .first = 0x30,
+ .last = 0x34,
+ },
+ {
+ .first = 0x40,
+ .last = 0x44,
+ },
+ {
+ .first = 0x50,
+ .last = 0x54,
+ },
+ {
+ .first = 0x60,
+ .last = 0x64,
+ },
+ {
+ .first = 0x70,
+ .last = 0x74,
+ },
+ },
+ },
+ [AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP] = {
+ .bankid = AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP,
+ .nranges = 17,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x01,
+ .last = 0x02,
+ },
+ {
+ .first = 0x0D,
+ .last = 0x0F,
+ },
+ {
+ .first = 0x19,
+ .last = 0x1C,
+ },
+ {
+ .first = 0x1E,
+ .last = 0x1E,
+ },
+ {
+ .first = 0x20,
+ .last = 0x20,
+ },
+ {
+ .first = 0x28,
+ .last = 0x28,
+ },
+ {
+ .first = 0x30,
+ .last = 0x33,
+ },
+ {
+ .first = 0x35,
+ .last = 0x35,
+ },
+ {
+ .first = 0x40,
+ .last = 0x43,
+ },
+ {
+ .first = 0x45,
+ .last = 0x45,
+ },
+ {
+ .first = 0x50,
+ .last = 0x53,
+ },
+ {
+ .first = 0x55,
+ .last = 0x55,
+ },
+ {
+ .first = 0x60,
+ .last = 0x63,
+ },
+ {
+ .first = 0x65,
+ .last = 0x65,
+ },
+ {
+ .first = 0x70,
+ .last = 0x73,
+ },
+ {
+ .first = 0x75,
+ .last = 0x75,
+ },
+ {
+ .first = 0xB1,
+ .last = 0xB1,
+ },
+ },
+ },
+ [AB5500_BANK_VIBRA] = {
+ .bankid = AB5500_BANK_VIBRA,
+ .nranges = 1,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x10,
+ .last = 0x13,
+ },
+ },
+ },
+ [AB5500_BANK_AUDIO_HEADSETUSB] = {
+ .bankid = AB5500_BANK_AUDIO_HEADSETUSB,
+ .nranges = 4,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x14,
+ },
+ {
+ .first = 0x16,
+ .last = 0x26,
+ },
+ {
+ .first = 0x28,
+ .last = 0x30,
+ },
+ {
+ .first = 0x35,
+ .last = 0x47,
+ },
+
+ },
+ },
+ [AB5500_BANK_SIM_USBSIM] = {
+ .bankid = AB5500_BANK_SIM_USBSIM,
+ .nranges = 3,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x13,
+ .last = 0x1A,
+ },
+ {
+ .first = 0x20,
+ .last = 0x20,
+ },
+ {
+ .first = 0xFE,
+ .last = 0xFE,
+ },
+ },
+ },
+ [AB5500_BANK_VDENC] = {
+ .bankid = AB5500_BANK_VDENC,
+ .nranges = 10,
+ .range = (struct ab5500_reg_range[]) {
+ {
+ .first = 0x00,
+ .last = 0x12,
+ },
+ {
+ .first = 0x15,
+ .last = 0x19,
+ },
+ {
+ .first = 0x1B,
+ .last = 0x21,
+ },
+ {
+ .first = 0x27,
+ .last = 0x2C,
+ },
+ {
+ .first = 0x41,
+ .last = 0x41,
+ },
+ {
+ .first = 0x45,
+ .last = 0x5B,
+ },
+ {
+ .first = 0x5D,
+ .last = 0x5D,
+ },
+ {
+ .first = 0x69,
+ .last = 0x69,
+ },
+ {
+ .first = 0x6C,
+ .last = 0x6D,
+ },
+ {
+ .first = 0x80,
+ .last = 0x81,
+ },
+ },
+ },
+};
+static int ab5500_registers_print(struct seq_file *s, void *p)
+{
+ struct ab5500 *ab = s->private;
+ unsigned int i;
+ u8 bank = (u8)ab->debug_bank;
+ struct ab5500_i2c_ranges *ab5500_reg_ranges;
+
+ if (ab->chip_id == AB5500_2_0)
+ ab5500_reg_ranges = ab5500v2_reg_ranges;
+ else
+ ab5500_reg_ranges = ab5500v1_reg_ranges;
+ seq_printf(s, AB5500_NAME_STRING " register values:\n");
+ for (bank = 0; bank < AB5500_NUM_BANKS; bank++) {
+ seq_printf(s, " bank %u, %s (0x%x):\n", bank,
+ bankinfo[bank].name,
+ bankinfo[bank].slave_addr);
+ for (i = 0; i < ab5500_reg_ranges[bank].nranges; i++) {
+ u8 reg;
+ int err;
+
+ for (reg = ab5500_reg_ranges[bank].range[i].first;
+ reg <= ab5500_reg_ranges[bank].range[i].last;
+ reg++) {
+ u8 value;
+
+ err = get_register_interruptible(ab, bank, reg,
+ &value);
+ if (err < 0) {
+ dev_err(ab->dev, "get_reg failed %d"
+ "bank 0x%x reg 0x%x\n",
+ err, bank, reg);
+ return err;
+ }
+
+ err = seq_printf(s, "[%d/0x%02X]: 0x%02X\n",
+ bank, reg, value);
+ if (err < 0) {
+ /*
+ * Error is not returned here since
+ * the output is wanted in any case
+ */
+ return 0;
+ }
+ }
+ }
+ }
+ return 0;
+}
+
+static int ab5500_registers_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ab5500_registers_print, inode->i_private);
+}
+
+static const struct file_operations ab5500_registers_fops = {
+ .open = ab5500_registers_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
+static int ab5500_bank_print(struct seq_file *s, void *p)
+{
+ struct ab5500 *ab = s->private;
+
+ seq_printf(s, "%d\n", ab->debug_bank);
+ return 0;
+}
+
+static int ab5500_bank_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ab5500_bank_print, inode->i_private);
+}
+
+static ssize_t ab5500_bank_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ab5500 *ab = ((struct seq_file *)(file->private_data))->private;
+ char buf[32];
+ int buf_size;
+ unsigned long user_bank;
+ int err;
+
+ /* Get userspace string and assure termination */
+ buf_size = min(count, (sizeof(buf) - 1));
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+ buf[buf_size] = 0;
+
+ err = strict_strtoul(buf, 0, &user_bank);
+ if (err)
+ return -EINVAL;
+
+ if (user_bank >= AB5500_NUM_BANKS) {
+ dev_err(ab->dev,
+ "debugfs error input > number of banks\n");
+ return -EINVAL;
+ }
+
+ ab->debug_bank = user_bank;
+
+ return buf_size;
+}
+
+static int ab5500_address_print(struct seq_file *s, void *p)
+{
+ struct ab5500 *ab = s->private;
+
+ seq_printf(s, "0x%02X\n", ab->debug_address);
+ return 0;
+}
+
+static int ab5500_address_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ab5500_address_print, inode->i_private);
+}
+
+static ssize_t ab5500_address_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ab5500 *ab = ((struct seq_file *)(file->private_data))->private;
+ char buf[32];
+ int buf_size;
+ unsigned long user_address;
+ int err;
+
+ /* Get userspace string and assure termination */
+ buf_size = min(count, (sizeof(buf) - 1));
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+ buf[buf_size] = 0;
+
+ err = strict_strtoul(buf, 0, &user_address);
+ if (err)
+ return -EINVAL;
+ if (user_address > 0xff) {
+ dev_err(ab->dev,
+ "debugfs error input > 0xff\n");
+ return -EINVAL;
+ }
+ ab->debug_address = user_address;
+ return buf_size;
+}
+
+static int ab5500_val_print(struct seq_file *s, void *p)
+{
+ struct ab5500 *ab = s->private;
+ int err;
+ u8 regvalue;
+
+ err = get_register_interruptible(ab, (u8)ab->debug_bank,
+ (u8)ab->debug_address, &regvalue);
+ if (err) {
+ dev_err(ab->dev, "get_reg failed %d, bank 0x%x"
+ ", reg 0x%x\n", err, ab->debug_bank,
+ ab->debug_address);
+ return -EINVAL;
+ }
+ seq_printf(s, "0x%02X\n", regvalue);
+
+ return 0;
+}
+
+static int ab5500_val_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ab5500_val_print, inode->i_private);
+}
+
+static ssize_t ab5500_val_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ab5500 *ab = ((struct seq_file *)(file->private_data))->private;
+ char buf[32];
+ int buf_size;
+ unsigned long user_val;
+ int err;
+ u8 regvalue;
+
+ /* Get userspace string and assure termination */
+ buf_size = min(count, (sizeof(buf)-1));
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+ buf[buf_size] = 0;
+
+ err = strict_strtoul(buf, 0, &user_val);
+ if (err)
+ return -EINVAL;
+ if (user_val > 0xff) {
+ dev_err(ab->dev,
+ "debugfs error input > 0xff\n");
+ return -EINVAL;
+ }
+ err = mask_and_set_register_interruptible(
+ ab, (u8)ab->debug_bank,
+ (u8)ab->debug_address, 0xFF, (u8)user_val);
+ if (err)
+ return -EINVAL;
+
+ get_register_interruptible(ab, (u8)ab->debug_bank,
+ (u8)ab->debug_address, &regvalue);
+ if (err)
+ return -EINVAL;
+
+ return buf_size;
+}
+
+static const struct file_operations ab5500_bank_fops = {
+ .open = ab5500_bank_open,
+ .write = ab5500_bank_write,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
+static const struct file_operations ab5500_address_fops = {
+ .open = ab5500_address_open,
+ .write = ab5500_address_write,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
+static const struct file_operations ab5500_val_fops = {
+ .open = ab5500_val_open,
+ .write = ab5500_val_write,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
+static struct dentry *ab5500_dir;
+static struct dentry *ab5500_reg_file;
+static struct dentry *ab5500_bank_file;
+static struct dentry *ab5500_address_file;
+static struct dentry *ab5500_val_file;
+
+static inline void ab5500_setup_debugfs(struct ab5500 *ab)
+{
+ ab->debug_bank = AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP;
+ ab->debug_address = AB5500_CHIP_ID;
+
+ ab5500_dir = debugfs_create_dir(AB5500_NAME_STRING, NULL);
+ if (!ab5500_dir)
+ goto exit_no_debugfs;
+
+ ab5500_reg_file = debugfs_create_file("all-bank-registers",
+ S_IRUGO, ab5500_dir, ab, &ab5500_registers_fops);
+ if (!ab5500_reg_file)
+ goto exit_destroy_dir;
+
+ ab5500_bank_file = debugfs_create_file("register-bank",
+ (S_IRUGO | S_IWUGO), ab5500_dir, ab, &ab5500_bank_fops);
+ if (!ab5500_bank_file)
+ goto exit_destroy_reg;
+
+ ab5500_address_file = debugfs_create_file("register-address",
+ (S_IRUGO | S_IWUGO), ab5500_dir, ab, &ab5500_address_fops);
+ if (!ab5500_address_file)
+ goto exit_destroy_bank;
+
+ ab5500_val_file = debugfs_create_file("register-value",
+ (S_IRUGO | S_IWUGO), ab5500_dir, ab, &ab5500_val_fops);
+ if (!ab5500_val_file)
+ goto exit_destroy_address;
+
+ return;
+
+exit_destroy_address:
+ debugfs_remove(ab5500_address_file);
+exit_destroy_bank:
+ debugfs_remove(ab5500_bank_file);
+exit_destroy_reg:
+ debugfs_remove(ab5500_reg_file);
+exit_destroy_dir:
+ debugfs_remove(ab5500_dir);
+exit_no_debugfs:
+ dev_err(ab->dev, "failed to create debugfs entries.\n");
+ return;
+}
+
+static inline void ab5500_remove_debugfs(void)
+{
+ debugfs_remove(ab5500_val_file);
+ debugfs_remove(ab5500_address_file);
+ debugfs_remove(ab5500_bank_file);
+ debugfs_remove(ab5500_reg_file);
+ debugfs_remove(ab5500_dir);
+}
+
+#else /* !CONFIG_DEBUG_FS */
+static inline void ab5500_setup_debugfs(struct ab5500 *ab)
+{
+}
+static inline void ab5500_remove_debugfs(void)
+{
+}
+#endif
+
+/*
+ * ab5500_setup : Basic set-up, datastructure creation/destruction
+ * and I2C interface.This sets up a default config
+ * in the AB5500 chip so that it will work as expected.
+ * @ab : Pointer to ab5500 structure
+ * @settings : Pointer to struct abx500_init_settings
+ * @size : Size of init data
+ */
+static int __init ab5500_setup(struct ab5500 *ab,
+ struct abx500_init_settings *settings, unsigned int size)
+{
+ int err = 0;
+ int i;
+
+ for (i = 0; i < size; i++) {
+ err = mask_and_set_register_interruptible(ab,
+ settings[i].bank,
+ settings[i].reg,
+ 0xFF, settings[i].setting);
+ if (err)
+ goto exit_no_setup;
+
+ /* If event mask register update the event mask in ab5500 */
+ if ((settings[i].bank == AB5500_BANK_IT) &&
+ (AB5500_MASK_BASE <= settings[i].reg) &&
+ (settings[i].reg <= AB5500_MASK_END)) {
+ ab->mask[settings[i].reg - AB5500_MASK_BASE] =
+ settings[i].setting;
+ }
+ }
+exit_no_setup:
+ return err;
+}
+
+static void ab5500_irq_mask(struct irq_data *data)
+{
+ struct ab5500 *ab = irq_data_get_irq_chip_data(data);
+ int offset = data->irq - ab->irq_base;
+ int index = offset / 8;
+ int mask = BIT(offset % 8);
+
+ ab->mask[index] |= mask;
+}
+
+static void ab5500_irq_unmask(struct irq_data *data)
+{
+ struct ab5500 *ab = irq_data_get_irq_chip_data(data);
+ int offset = data->irq - ab->irq_base;
+ int index = offset / 8;
+ int mask = BIT(offset % 8);
+
+ ab->mask[index] &= ~mask;
+}
+
+static void ab5500_irq_lock(struct irq_data *data)
+{
+ struct ab5500 *ab = irq_data_get_irq_chip_data(data);
+
+ mutex_lock(&ab->irq_lock);
+}
+
+static void ab5500_irq_sync_unlock(struct irq_data *data)
+{
+ struct ab5500 *ab = irq_data_get_irq_chip_data(data);
+ int i;
+
+ for (i = 0; i < ab->num_event_reg; i++) {
+ u8 old = ab->oldmask[i];
+ u8 new = ab->mask[i];
+ int reg;
+
+ if (new == old)
+ continue;
+
+ ab->oldmask[i] = new;
+
+ reg = AB5500_IT_MASK0_REG + i;
+ set_register_interruptible(ab, AB5500_BANK_IT, reg, new);
+ }
+
+ mutex_unlock(&ab->irq_lock);
+}
+
+static struct irq_chip ab5500_irq_chip = {
+ .name = "ab5500",
+ .irq_mask = ab5500_irq_mask,
+ .irq_unmask = ab5500_irq_unmask,
+ .irq_bus_lock = ab5500_irq_lock,
+ .irq_bus_sync_unlock = ab5500_irq_sync_unlock,
+};
+
+struct ab_family_id {
+ u8 id;
+ char *name;
+};
+
+static const struct ab_family_id ids[] __initdata = {
+ /* AB5500 */
+ {
+ .id = AB5500_1_0,
+ .name = "1.0"
+ },
+ {
+ .id = AB5500_1_1,
+ .name = "1.1"
+ },
+ {
+ .id = AB5500_2_0,
+ .name = "2.0"
+ },
+ /* Terminator */
+ {
+ .id = 0x00,
+ }
+};
+
+static int ab5500_irq_init(struct ab5500 *ab)
+{
+ struct ab5500_platform_data *ab5500_plf_data =
+ dev_get_platdata(ab->dev);
+ int i;
+ unsigned int irq;
+
+ for (i = 0; i < ab5500_plf_data->irq.count; i++) {
+
+ irq = ab5500_plf_data->irq.base + i;
+ irq_set_chip_data(irq, ab);
+ irq_set_chip_and_handler(irq, &ab5500_irq_chip,
+ handle_simple_irq);
+ irq_set_nested_thread(irq, 1);
+#ifdef CONFIG_ARM
+ set_irq_flags(irq, IRQF_VALID);
+#else
+ set_irq_noprobe(irq);
+#endif
+ }
+ return 0;
+}
+
+static void ab5500_irq_remove(struct ab5500 *ab)
+{
+ struct ab5500_platform_data *ab5500_plf_data =
+ dev_get_platdata(ab->dev);
+ int i;
+ unsigned int irq;
+
+ for (i = 0; i < ab5500_plf_data->irq.count; i++) {
+ irq = ab5500_plf_data->irq.base + i;
+#ifdef CONFIG_ARM
+ set_irq_flags(irq, 0);
+#endif
+ irq_set_chip_and_handler(irq, NULL, NULL);
+ irq_set_chip_data(irq, NULL);
+ }
+}
+
+static int __init ab5500_probe(struct platform_device *pdev)
+{
+ struct ab5500 *ab;
+ struct ab5500_platform_data *ab5500_plf_data =
+ pdev->dev.platform_data;
+ struct resource *res;
+ int err;
+ int i;
+ u8 val;
+
+ ab = kzalloc(sizeof(struct ab5500), GFP_KERNEL);
+ if (!ab) {
+ dev_err(&pdev->dev,
+ "could not allocate " AB5500_NAME_STRING " device\n");
+ return -ENOMEM;
+ }
+
+ /* Initialize data structure */
+ mutex_init(&ab->access_mutex);
+ mutex_init(&ab->irq_lock);
+ ab->dev = &pdev->dev;
+ ab->irq_base = ab5500_plf_data->irq.base;
+
+ platform_set_drvdata(pdev, ab);
+
+ /* Read chip ID register */
+ err = get_register_interruptible(ab, AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP,
+ AB5500_CHIP_ID, &ab->chip_id);
+ if (err) {
+ dev_err(&pdev->dev, "could not communicate with the analog "
+ "baseband chip\n");
+ goto exit_no_detect;
+ }
+
+ for (i = 0; ids[i].id != 0x0; i++) {
+ if (ids[i].id == ab->chip_id) {
+ snprintf(&ab->chip_name[0], sizeof(ab->chip_name) - 1,
+ AB5500_ID_FORMAT_STRING, ids[i].name);
+ break;
+ }
+ }
+
+ if (ids[i].id == 0x0) {
+ dev_err(&pdev->dev, "unknown analog baseband chip id: 0x%x\n",
+ ab->chip_id);
+ dev_err(&pdev->dev, "driver not started!\n");
+ goto exit_no_detect;
+ }
+
+ dev_info(&pdev->dev, "detected AB chip: %s\n", &ab->chip_name[0]);
+
+ /* Readout ab->starup_events when prcmu driver is in place */
+ ab->startup_events[0] = 0;
+
+ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "ab5500_platform_get_resource error\n");
+ goto exit_no_detect;
+ }
+ ab->ab5500_irq = res->start;
+
+ if (ab->chip_id == AB5500_2_0)
+ ab->num_event_reg = AB5500_NUM_IRQ_REGS;
+ else
+ ab->num_event_reg = AB5500_NUM_EVENT_V1_REG;
+ /* Read the latch regs to know the reason for turn on */
+ err = get_register_interruptible(ab, AB5500_BANK_IT,
+ AB5500_IT_LATCH0_REG + 1, &val);
+ if (err)
+ goto exit_no_detect;
+ if (val & RTC_ALARM) /* RTCAlarm */
+ turn_on_stat = RTC_ALARM_EVENT;
+ if (val & POW_KEY_2_ON) /* PonKey2dbR */
+ turn_on_stat |= P_ON_KEY2_EVENT;
+ if (val & POW_KEY_1_ON) /* PonKey1dbR */
+ turn_on_stat |= P_ON_KEY1_EVENT;
+
+ err = get_register_interruptible(ab, AB5500_BANK_IT,
+ AB5500_IT_LATCH0_REG + 2, &val);
+ if (err)
+ goto exit_no_detect;
+ if (val & POR_ON_VBAT)
+ /* PORnVbat */
+ turn_on_stat |= POR_ON_VBAT_EVENT ;
+ err = get_register_interruptible(ab, AB5500_BANK_IT,
+ AB5500_IT_LATCH0_REG + 8, &val);
+ if (err)
+ goto exit_no_detect;
+ if (val & VBUS_DET)
+ /* VbusDet */
+ turn_on_stat |= VBUS_DET_EVENT;
+ err = get_register_interruptible(ab, AB5500_BANK_IT,
+ AB5500_IT_LATCH0_REG + 18, &val);
+ if (err)
+ goto exit_no_detect;
+ if (val & VBUS_CH_DROP_R)
+ /* VBUSChDrop */
+ turn_on_stat |= VBUS_DET_EVENT;
+ err = get_register_interruptible(ab, AB5500_BANK_IT,
+ AB5500_IT_LATCH0_REG + 9, &val);
+ if (err)
+ goto exit_no_detect;
+ if (val & USB_CH_DET_DONE)
+ /* VBUSChDrop */
+ turn_on_stat |= VBUS_DET_EVENT;
+ err = get_register_interruptible(ab, AB5500_BANK_IT,
+ AB5500_IT_LATCH0_REG + 22, &val);
+ if (err)
+ goto exit_no_detect;
+ if (val & USB_CH_DET_DONE)
+ /* USBLineStatus Change */
+ turn_on_stat |= VBUS_DET_EVENT;
+
+ /* Clear and mask all interrupts */
+ for (i = 0; i < ab->num_event_reg; i++) {
+ u8 latchreg = AB5500_IT_LATCH0_REG + i;
+ u8 maskreg = AB5500_IT_MASK0_REG + i;
+
+ get_register_interruptible(ab, AB5500_BANK_IT, latchreg, &val);
+ set_register_interruptible(ab, AB5500_BANK_IT, maskreg, 0xff);
+ ab->mask[i] = ab->oldmask[i] = 0xff;
+ }
+
+ if (ab->irq_base) {
+ err = ab5500_irq_init(ab);
+ if (err)
+ return err;
+
+ err = request_threaded_irq(res->start, NULL, ab5500_irq,
+ IRQF_NO_SUSPEND | IRQF_ONESHOT,
+ "ab5500-core", ab);
+ if (err)
+ goto exit_remove_irq;
+
+ }
+ prcmu_config_abb_event_readout(AB5500_INTERRUPTS);
+ /* This real unpredictable IRQ is of course sampled for entropy */
+ rand_initialize_irq(res->start);
+
+ err = abx500_register_ops(&pdev->dev, &ab5500_ops);
+ if (err) {
+ dev_err(&pdev->dev, "ab5500_register ops error\n");
+ goto exit_no_irq;
+ }
+
+ /* Set up and register the platform devices. */
+ for (i = 0; i < AB5500_NUM_DEVICES; i++) {
+ ab5500_devs[i].platform_data = ab5500_plf_data->dev_data[i];
+ ab5500_devs[i].pdata_size = ab5500_plf_data->dev_data_sz[i];
+ }
+
+ err = mfd_add_devices(&pdev->dev, 0, ab5500_devs,
+ ARRAY_SIZE(ab5500_devs), NULL,
+ ab5500_plf_data->irq.base);
+ if (err) {
+ dev_err(&pdev->dev, "ab5500_mfd_add_device error\n");
+ goto exit_no_add_dev;
+ }
+ err = ab5500_setup(ab, ab5500_plf_data->init_settings,
+ ab5500_plf_data->init_settings_sz);
+ if (err) {
+ dev_err(&pdev->dev, "ab5500_setup error\n");
+ goto exit_no_add_dev;
+ }
+ ab5500_setup_debugfs(ab);
+ err = sysfs_create_group(&ab->dev->kobj, &ab5500_attr_group);
+ if (err) {
+ dev_err(&pdev->dev, "error creating sysfs entries\n");
+ goto exit_no_debugfs;
+ }
+
+ return 0;
+exit_no_debugfs:
+ ab5500_remove_debugfs();
+exit_no_add_dev:
+ mfd_remove_devices(&pdev->dev);
+exit_no_irq:
+ if (ab->irq_base) {
+ free_irq(ab->ab5500_irq, ab);
+exit_remove_irq:
+ ab5500_irq_remove(ab);
+ }
+exit_no_detect:
+ kfree(ab);
+ return err;
+}
+
+static int __exit ab5500_remove(struct platform_device *pdev)
+{
+ struct ab5500 *ab = platform_get_drvdata(pdev);
+
+ /*
+ * At this point, all subscribers should have unregistered
+ * their notifiers so deactivate IRQ
+ */
+ sysfs_remove_group(&ab->dev->kobj, &ab5500_attr_group);
+ ab5500_remove_debugfs();
+ mfd_remove_devices(&pdev->dev);
+ if (ab->irq_base) {
+ free_irq(ab->ab5500_irq, ab);
+ ab5500_irq_remove(ab);
+ }
+ kfree(ab);
+ return 0;
+}
+
+static struct platform_driver ab5500_driver = {
+ .driver = {
+ .name = "ab5500-core",
+ .owner = THIS_MODULE,
+ },
+ .remove = __exit_p(ab5500_remove),
+};
+
+static int __init ab5500_core_init(void)
+{
+ return platform_driver_probe(&ab5500_driver, ab5500_probe);
+}
+
+static void __exit ab5500_core_exit(void)
+{
+ platform_driver_unregister(&ab5500_driver);
+}
+
+subsys_initcall(ab5500_core_init);
+module_exit(ab5500_core_exit);
+
+MODULE_AUTHOR("Mattias Wallin <mattias.wallin@stericsson.com>");
+MODULE_DESCRIPTION("AB5500 core driver");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-28 18:12:18 +0000